YouCompleteMe/python/ycm/tests/youcompleteme_test.py
2017-06-04 12:09:49 +04:00

549 lines
19 KiB
Python

# Copyright (C) 2016-2017 YouCompleteMe contributors
#
# This file is part of YouCompleteMe.
#
# YouCompleteMe is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# YouCompleteMe is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with YouCompleteMe. If not, see <http://www.gnu.org/licenses/>.
from __future__ import unicode_literals
from __future__ import print_function
from __future__ import division
from __future__ import absolute_import
# Not installing aliases from python-future; it's unreliable and slow.
from builtins import * # noqa
from ycm.tests.test_utils import ( ExtendedMock, MockVimBuffers, MockVimModule,
VimBuffer, VimMatch )
MockVimModule()
import os
import sys
from hamcrest import ( assert_that, contains, empty, is_in, is_not, has_length,
matches_regexp )
from mock import call, MagicMock, patch
from ycm.tests import StopServer, test_utils, YouCompleteMeInstance
from ycm.client.base_request import _LoadExtraConfFile
from ycmd.responses import ServerError
@YouCompleteMeInstance()
def YouCompleteMe_YcmCoreNotImported_test( ycm ):
assert_that( 'ycm_core', is_not( is_in( sys.modules ) ) )
@YouCompleteMeInstance()
@patch( 'ycm.vimsupport.PostVimMessage', new_callable = ExtendedMock )
def RunNotifyUserIfServerCrashed( ycm, test, post_vim_message ):
StopServer( ycm )
ycm._logger = MagicMock( autospec = True )
ycm._server_popen = MagicMock( autospec = True )
ycm._server_popen.poll.return_value = test[ 'return_code' ]
ycm._server_popen.stderr.read.return_value = test[ 'stderr_output' ]
ycm._NotifyUserIfServerCrashed()
assert_that( ycm._logger.method_calls,
has_length( len( test[ 'expected_logs' ] ) ) )
ycm._logger.error.assert_has_calls(
[ call( log ) for log in test[ 'expected_logs' ] ] )
post_vim_message.assert_has_exact_calls( [
call( test[ 'expected_vim_message' ] )
] )
def YouCompleteMe_NotifyUserIfServerCrashed_UnexpectedCore_test():
message = ( "The ycmd server SHUT DOWN (restart with ':YcmRestartServer'). "
"Unexpected error while loading the YCM core library. "
"Use the ':YcmToggleLogs' command to check the logs." )
RunNotifyUserIfServerCrashed( {
'return_code': 3,
'stderr_output' : '',
'expected_logs': [ message ],
'expected_vim_message': message
} )
def YouCompleteMe_NotifyUserIfServerCrashed_MissingCore_test():
message = ( "The ycmd server SHUT DOWN (restart with ':YcmRestartServer'). "
"YCM core library not detected; you need to compile YCM before "
"using it. Follow the instructions in the documentation." )
RunNotifyUserIfServerCrashed( {
'return_code': 4,
'stderr_output': '',
'expected_logs': [ message ],
'expected_vim_message': message
} )
def YouCompleteMe_NotifyUserIfServerCrashed_Python2Core_test():
message = ( "The ycmd server SHUT DOWN (restart with ':YcmRestartServer'). "
"YCM core library compiled for Python 2 but loaded in Python 3. "
"Set the 'g:ycm_server_python_interpreter' option to a Python 2 "
"interpreter path." )
RunNotifyUserIfServerCrashed( {
'return_code': 5,
'stderr_output': '',
'expected_logs': [ message ],
'expected_vim_message': message
} )
def YouCompleteMe_NotifyUserIfServerCrashed_Python3Core_test():
message = ( "The ycmd server SHUT DOWN (restart with ':YcmRestartServer'). "
"YCM core library compiled for Python 3 but loaded in Python 2. "
"Set the 'g:ycm_server_python_interpreter' option to a Python 3 "
"interpreter path." )
RunNotifyUserIfServerCrashed( {
'return_code': 6,
'stderr_output': '',
'expected_logs': [ message ],
'expected_vim_message': message
} )
def YouCompleteMe_NotifyUserIfServerCrashed_OutdatedCore_test():
message = ( "The ycmd server SHUT DOWN (restart with ':YcmRestartServer'). "
"YCM core library too old; PLEASE RECOMPILE by running the "
"install.py script. See the documentation for more details." )
RunNotifyUserIfServerCrashed( {
'return_code': 7,
'stderr_output': '',
'expected_logs': [ message ],
'expected_vim_message': message
} )
def YouCompleteMe_NotifyUserIfServerCrashed_UnexpectedExitCode_test():
message = ( "The ycmd server SHUT DOWN (restart with ':YcmRestartServer'). "
"Unexpected exit code 1. Use the ':YcmToggleLogs' command to "
"check the logs." )
RunNotifyUserIfServerCrashed( {
'return_code': 1,
'stderr_output': 'First line\r\n'
'Second line',
'expected_logs': [ 'First line\n'
'Second line',
message ],
'expected_vim_message': message
} )
@YouCompleteMeInstance( { 'extra_conf_vim_data': [ 'tempname()' ] } )
def YouCompleteMe_DebugInfo_ServerRunning_test( ycm ):
dir_of_script = os.path.dirname( os.path.abspath( __file__ ) )
buf_name = os.path.join( dir_of_script, 'testdata', 'test.cpp' )
extra_conf = os.path.join( dir_of_script, 'testdata', '.ycm_extra_conf.py' )
_LoadExtraConfFile( extra_conf )
current_buffer = VimBuffer( buf_name, filetype='cpp' )
with MockVimBuffers( [ current_buffer ], current_buffer ):
assert_that(
ycm.DebugInfo(),
matches_regexp(
'Client logfile: .+\n'
'Server Python interpreter: .+\n'
'Server Python version: .+\n'
'Server has Clang support compiled in: '
'(?P<CLANG>True)?(?(CLANG)|False)\n'
'Clang version: .+\n'
'Extra configuration file found and loaded\n'
'Extra configuration path: .*testdata[/\\\\]\\.ycm_extra_conf\\.py\n'
'(?(CLANG)C-family completer debug information:\n'
' Compilation database path: None\n'
' Flags: \\[\'_TEMP_FILE_\'.*\\]\n)'
'Server running at: .+\n'
'Server process ID: \d+\n'
'Server logfiles:\n'
' .+\n'
' .+' )
)
@YouCompleteMeInstance()
def YouCompleteMe_DebugInfo_ServerNotRunning_test( ycm ):
StopServer( ycm )
current_buffer = VimBuffer( 'current_buffer' )
with MockVimBuffers( [ current_buffer ], current_buffer ):
assert_that(
ycm.DebugInfo(),
matches_regexp(
'Client logfile: .+\n'
'Server errored, no debug info from server\n'
'Server running at: .+\n'
'Server process ID: \d+\n'
'Server logfiles:\n'
' .+\n'
' .+' )
)
@YouCompleteMeInstance()
def YouCompleteMe_OnVimLeave_RemoveClientLogfileByDefault_test( ycm ):
client_logfile = ycm._client_logfile
assert_that( os.path.isfile( client_logfile ),
'Logfile {0} does not exist.'.format( client_logfile ) )
ycm.OnVimLeave()
assert_that( not os.path.isfile( client_logfile ),
'Logfile {0} was not removed.'.format( client_logfile ) )
@YouCompleteMeInstance( { 'keep_logfiles': 1 } )
def YouCompleteMe_OnVimLeave_KeepClientLogfile_test( ycm ):
client_logfile = ycm._client_logfile
assert_that( os.path.isfile( client_logfile ),
'Logfile {0} does not exist.'.format( client_logfile ) )
ycm.OnVimLeave()
assert_that( os.path.isfile( client_logfile ),
'Logfile {0} was removed.'.format( client_logfile ) )
@YouCompleteMeInstance()
@patch( 'ycm.vimsupport.CloseBuffersForFilename', new_callable = ExtendedMock )
@patch( 'ycm.vimsupport.OpenFilename', new_callable = ExtendedMock )
def YouCompleteMe_ToggleLogs_WithParameters_test( ycm,
open_filename,
close_buffers_for_filename ):
logfile_buffer = VimBuffer( ycm._client_logfile, window = 1 )
with MockVimBuffers( [ logfile_buffer ], logfile_buffer ):
ycm.ToggleLogs( os.path.basename( ycm._client_logfile ),
'nonexisting_logfile',
os.path.basename( ycm._server_stdout ) )
open_filename.assert_has_exact_calls( [
call( ycm._server_stdout, { 'size': 12,
'watch': True,
'fix': True,
'focus': False,
'position': 'end' } )
] )
close_buffers_for_filename.assert_has_exact_calls( [
call( ycm._client_logfile )
] )
@YouCompleteMeInstance()
@patch( 'ycm.vimsupport.PostVimMessage' )
def YouCompleteMe_ToggleLogs_WithoutParameters_test( ycm, post_vim_message ):
# We test on a Python buffer because the Python completer has subserver
# logfiles.
python_buffer = VimBuffer( 'buffer.py', filetype = 'python' )
with MockVimBuffers( [ python_buffer ], python_buffer ):
ycm.ToggleLogs()
assert_that(
# Argument passed to PostVimMessage.
post_vim_message.call_args[ 0 ][ 0 ],
matches_regexp(
'Available logfiles are:\n'
'jedihttp_\d+_stderr_.+.log\n'
'jedihttp_\d+_stdout_.+.log\n'
'ycm_.+.log\n'
'ycmd_\d+_stderr_.+.log\n'
'ycmd_\d+_stdout_.+.log' )
)
@YouCompleteMeInstance()
def YouCompleteMe_GetDefinedSubcommands_ListFromServer_test( ycm ):
current_buffer = VimBuffer( 'buffer' )
with MockVimBuffers( [ current_buffer ], current_buffer ):
with patch( 'ycm.client.base_request.JsonFromFuture',
return_value = [ 'SomeCommand', 'AnotherCommand' ] ):
assert_that(
ycm.GetDefinedSubcommands(),
contains(
'SomeCommand',
'AnotherCommand'
)
)
@YouCompleteMeInstance()
@patch( 'ycm.client.base_request._logger', autospec = True )
@patch( 'ycm.vimsupport.PostVimMessage', new_callable = ExtendedMock )
def YouCompleteMe_GetDefinedSubcommands_ErrorFromServer_test( ycm,
post_vim_message,
logger ):
current_buffer = VimBuffer( 'buffer' )
with MockVimBuffers( [ current_buffer ], current_buffer ):
with patch( 'ycm.client.base_request.JsonFromFuture',
side_effect = ServerError( 'Server error' ) ):
result = ycm.GetDefinedSubcommands()
logger.exception.assert_called_with( 'Error while handling server response' )
post_vim_message.assert_has_exact_calls( [
call( 'Server error', truncate = False )
] )
assert_that( result, empty() )
@YouCompleteMeInstance()
@patch( 'ycm.vimsupport.PostVimMessage', new_callable = ExtendedMock )
def YouCompleteMe_ShowDetailedDiagnostic_MessageFromServer_test(
ycm, post_vim_message ):
current_buffer = VimBuffer( 'buffer' )
with MockVimBuffers( [ current_buffer ], current_buffer ):
with patch( 'ycm.client.base_request.JsonFromFuture',
return_value = { 'message': 'some_detailed_diagnostic' } ):
ycm.ShowDetailedDiagnostic(),
post_vim_message.assert_has_exact_calls( [
call( 'some_detailed_diagnostic', warning = False )
] )
@YouCompleteMeInstance()
@patch( 'ycm.vimsupport.PostVimMessage', new_callable = ExtendedMock )
def YouCompleteMe_ShowDiagnostics_FiletypeNotSupported_test( ycm,
post_vim_message ):
current_buffer = VimBuffer( 'buffer', filetype = 'not_supported' )
with MockVimBuffers( [ current_buffer ], current_buffer ):
ycm.ShowDiagnostics()
post_vim_message.assert_called_once_with(
'Native filetype completion not supported for current file, '
'cannot force recompilation.', warning = False )
@YouCompleteMeInstance()
@patch( 'ycm.youcompleteme.YouCompleteMe.FiletypeCompleterExistsForFiletype',
return_value = True )
@patch( 'ycm.vimsupport.PostVimMessage', new_callable = ExtendedMock )
@patch( 'ycm.vimsupport.SetLocationList', new_callable = ExtendedMock )
def YouCompleteMe_ShowDiagnostics_NoDiagnosticsDetected_test(
ycm, set_location_list, post_vim_message, *args ):
current_buffer = VimBuffer( 'buffer', filetype = 'cpp' )
with MockVimBuffers( [ current_buffer ], current_buffer, ycm_state = ycm ):
with patch( 'ycm.client.event_notification.EventNotification.Response',
return_value = {} ):
ycm.ShowDiagnostics()
post_vim_message.assert_has_exact_calls( [
call( 'Forcing compilation, this will block Vim until done.',
warning = False ),
call( 'Diagnostics refreshed', warning = False ),
call( 'No warnings or errors detected.', warning = False )
] )
set_location_list.assert_called_once_with( [] )
@YouCompleteMeInstance( { 'log_level': 'debug',
'keep_logfiles': 1,
'open_loclist_on_ycm_diags': 0 } )
@patch( 'ycm.youcompleteme.YouCompleteMe.FiletypeCompleterExistsForFiletype',
return_value = True )
@patch( 'ycm.youcompleteme.YouCompleteMe.IsServerReady',
return_value = True )
@patch( 'ycm.vimsupport.PostVimMessage', new_callable = ExtendedMock )
@patch( 'ycm.vimsupport.SetLocationList', new_callable = ExtendedMock )
def YouCompleteMe_ShowDiagnostics_DiagnosticsFound_DoNotOpenLocationList_test(
ycm, set_location_list, post_vim_message, *args ):
diagnostic = {
'kind': 'ERROR',
'text': 'error text',
'location': {
'filepath': 'buffer',
'line_num': 19,
'column_num': 2
}
}
current_buffer = VimBuffer( 'buffer', filetype = 'cpp', number = 3 )
with MockVimBuffers( [ current_buffer ], current_buffer, ycm_state = ycm ):
with patch( 'ycm.client.event_notification.EventNotification.Response',
return_value = [ diagnostic ] ):
ycm.ShowDiagnostics()
post_vim_message.assert_has_exact_calls( [
call( 'Forcing compilation, this will block Vim until done.',
warning = False ),
call( 'Diagnostics refreshed', warning = False )
] )
set_location_list.assert_called_once_with( [ {
'bufnr': 3,
'lnum': 19,
'col': 2,
'text': 'error text',
'type': 'E',
'valid': 1
} ] )
@YouCompleteMeInstance( { 'open_loclist_on_ycm_diags': 1 } )
@patch( 'ycm.youcompleteme.YouCompleteMe.FiletypeCompleterExistsForFiletype',
return_value = True )
@patch( 'ycm.youcompleteme.YouCompleteMe.IsServerReady',
return_value = True )
@patch( 'ycm.vimsupport.PostVimMessage', new_callable = ExtendedMock )
@patch( 'ycm.vimsupport.SetLocationList', new_callable = ExtendedMock )
@patch( 'ycm.vimsupport.OpenLocationList', new_callable = ExtendedMock )
def YouCompleteMe_ShowDiagnostics_DiagnosticsFound_OpenLocationList_test(
ycm, open_location_list, set_location_list, post_vim_message, *args ):
diagnostic = {
'kind': 'ERROR',
'text': 'error text',
'location': {
'filepath': 'buffer',
'line_num': 19,
'column_num': 2
}
}
current_buffer = VimBuffer( 'buffer', filetype = 'cpp', number = 3 )
with MockVimBuffers( [ current_buffer ], current_buffer, ycm_state = ycm ):
with patch( 'ycm.client.event_notification.EventNotification.Response',
return_value = [ diagnostic ] ):
ycm.ShowDiagnostics()
post_vim_message.assert_has_exact_calls( [
call( 'Forcing compilation, this will block Vim until done.',
warning = False ),
call( 'Diagnostics refreshed', warning = False )
] )
set_location_list.assert_called_once_with( [ {
'bufnr': 3,
'lnum': 19,
'col': 2,
'text': 'error text',
'type': 'E',
'valid': 1
} ] )
open_location_list.assert_called_once_with( focus = True )
@YouCompleteMeInstance( { 'echo_current_diagnostic': 1,
'enable_diagnostic_signs': 1,
'enable_diagnostic_highlighting': 1 } )
@patch( 'ycm.youcompleteme.YouCompleteMe.FiletypeCompleterExistsForFiletype',
return_value = True )
@patch( 'ycm.youcompleteme.YouCompleteMe.IsServerReady',
return_value = True )
@patch( 'ycm.vimsupport.PostVimMessage', new_callable = ExtendedMock )
@patch( 'vim.command', new_callable = ExtendedMock )
def YouCompleteMe_UpdateDiagnosticInterface_PrioritizeErrorsOverWarnings_test(
ycm, vim_command, post_vim_message, *args ):
contents = """int main() {
int x, y;
x == y
}"""
# List of diagnostics returned by ycmd for the above code.
diagnostics = [ {
'kind': 'ERROR',
'text': "expected ';' after expression",
'location': {
'filepath': 'buffer',
'line_num': 3,
'column_num': 9
},
# Looks strange but this is really what ycmd is returning.
'location_extent': {
'start': {
'filepath': '',
'line_num': 0,
'column_num': 0,
},
'end': {
'filepath': '',
'line_num': 0,
'column_num': 0,
}
},
'ranges': [],
'fixit_available': True
}, {
'kind': 'WARNING',
'text': 'equality comparison result unused',
'location': {
'filepath': 'buffer',
'line_num': 3,
'column_num': 7,
},
'location_extent': {
'start': {
'filepath': 'buffer',
'line_num': 3,
'column_num': 5,
},
'end': {
'filepath': 'buffer',
'line_num': 3,
'column_num': 7,
}
},
'ranges': [ {
'start': {
'filepath': 'buffer',
'line_num': 3,
'column_num': 3,
},
'end': {
'filepath': 'buffer',
'line_num': 3,
'column_num': 9,
}
} ],
'fixit_available': True
} ]
current_buffer = VimBuffer( 'buffer',
filetype = 'c',
contents = contents.splitlines(),
number = 5,
window = 2 )
test_utils.VIM_MATCHES = []
with MockVimBuffers( [ current_buffer ], current_buffer, ( 3, 1 ), ycm ):
with patch( 'ycm.client.event_notification.EventNotification.Response',
return_value = diagnostics ):
ycm.OnFileReadyToParse()
ycm.HandleFileParseRequest( block = True )
# Error match is added after warning matches.
assert_that(
test_utils.VIM_MATCHES,
contains(
VimMatch( 'YcmWarningSection', '\%3l\%5c\_.\{-}\%3l\%7c' ),
VimMatch( 'YcmWarningSection', '\%3l\%3c\_.\{-}\%3l\%9c' ),
VimMatch( 'YcmErrorSection', '\%3l\%8c' )
)
)
# Only the error sign is placed.
vim_command.assert_has_exact_calls( [
call( 'sign define ycm_dummy_sign' ),
call( 'sign place 3 name=ycm_dummy_sign line=3 buffer=5' ),
call( 'sign place 1 name=YcmError line=3 buffer=5' ),
call( 'sign undefine ycm_dummy_sign' ),
call( 'sign unplace 3 buffer=5' )
] )
# When moving the cursor on the diagnostics, the error is displayed to the
# user, not the warning.
ycm.OnCursorMoved()
post_vim_message.assert_has_exact_calls( [
call( "expected ';' after expression (FixIt)",
truncate = True, warning = False )
] )